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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Misc driver updates for platforms, many of them power related.
- Rockchip adds power domain support for rk3066 and rk3188
- Amlogic adds a power measurement driver
- Allwinner adds SRAM support for three platforms (F1C100, H5, A64
C1)
- Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
- Broadcom fixes suspend/resume with Thumb2 kernels, and improves
stability of a handful of firmware/platform interfaces
- PXA completes their conversion to dmaengine framework
- Renesas does a bunch of PM cleanups across many platforms
- Tegra adds support for suspend/resume on T186/T194, which includes
some driver cleanups and addition of wake events
- Tegra also adds a driver for memory controller (EMC) on Tegra2
- i.MX tweaks power domain bindings, and adds support for i.MX8MQ in
GPC
- Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
and misc cleanups across several platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
ARM: at91: add support in soc driver for new SAM9X60
ARM: at91: add support in soc driver for LPDDR2 SiP
memory: omap-gpmc: Use of_node_name_eq for node name comparisons
bus: ti-sysc: Check for no-reset and no-idle flags at the child level
ARM: OMAP2+: Check also the first dts child for hwmod flags
soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
soc: imx: gpc: Increase GPC_CLK_MAX to 7
soc: renesas: rcar-sysc: Fix power domain control after system resume
soc: renesas: rcar-sysc: Merge PM Domain registration and linking
soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
dt-bindings: sram: Add Allwinner suniv F1C100s
soc: sunxi: sram: Add support for the H5 SoC system control
soc: sunxi: sram: Enable EMAC clock access for H3 variant
soc: imx: gpcv2: add support for i.MX8MQ SoC
soc: imx: gpcv2: move register access table to domain data
soc: imx: gpcv2: prefix i.MX7 specific defines
dmaengine: pxa: make the filter function internal
...
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git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into next/drivers
AT91 SoC for 4.21:
- Add new SoC IDs
* tag 'at91-4.21-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
ARM: at91: add support in soc driver for new SAM9X60
ARM: at91: add support in soc driver for LPDDR2 SiP
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add detection of new SAM9X60 by this soc.c driver.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
[nicolas.ferre@microchip.com: split patch]
Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Add some more SiP components to be detected by this soc.c driver.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers
soc: amlogic: updates for v4.21, round 2
- meson-clk-measure: Add missing REGMAP_MMIO dependency
* tag 'amlogic-drivers-2' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patchs adds a missing dependency on REGMAP_MMIO.
This cause the following build failure on SPARC:
drivers/soc/amlogic/meson-clk-measure.o: In function `meson_msr_probe':
meson-clk-measure.c:(.text+0xc4): undefined reference to `__devm_regmap_init_mmio_clk'
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers
i.MX drivers change for 4.21:
- A series from Aisheng that improves SCU power domain bindings by
defining '#power-domain-cells' as 1, and adds i.MX8 SCU power domain
driver support on top of it.
- A series from Lucas that updates gpcv2 driver for scalability and
adds i.MX8MQ support into the driver.
- Increase gpc driver GPC_CLK_MAX definition to 7, as DISPLAY power
domain on imx6sx has 7 clocks.
* tag 'imx-drivers-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: gpc: Increase GPC_CLK_MAX to 7
soc: imx: gpcv2: add support for i.MX8MQ SoC
soc: imx: gpcv2: move register access table to domain data
soc: imx: gpcv2: prefix i.MX7 specific defines
firmware: imx: add SCU power domain driver
firmware: imx: add pm svc headfile
dt-bindings: fsl: scu: update power domain binding
firmware: imx: remove resource id enums
dt-bindings: imx: add scu resource id headfile
Signed-off-by: Olof Johansson <olof@lixom.net>
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The DISPLAY power domain on imx6sx has 7 clocks.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The GPCv2 on the Freescale i.MX8MQ SoC works in the same way as the
GPCv2 on the i.MX7, but only controls more power domains with a
different mapping.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The valid register ranges are defined by the implemented power domains,
which are different between the individual SoCs where the GPCv2 is used.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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So we can add i.MX8M support without introducing name clashes.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/drivers
add helper functions to create and send commands to
the global command engine (GCE) device using the
command queue driver (cmdq).
* tag 'v4.20-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: Add Mediatek CMDQ helper
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add Mediatek CMDQ helper to create CMDQ packet and assemble GCE op code.
Signed-off-by: Houlong Wei <houlong.wei@mediatek.com>
Signed-off-by: HS Liao <hs.liao@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/drivers
Allwinner drivers changes for 4.21
Those patches are all about our SRAM driver, to enable new SoCs: the
F1c100s, the H5 and the A64 C1 SRAM, that is used by the video decoding
engine.
* tag 'sunxi-drivers-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
dt-bindings: sram: Add Allwinner suniv F1C100s
soc: sunxi: sram: Add support for the H5 SoC system control
soc: sunxi: sram: Enable EMAC clock access for H3 variant
soc: sunxi: Change to use DEFINE_SHOW_ATTRIBUTE macro
Signed-off-by: Olof Johansson <olof@lixom.net>
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This adds the H5 SoC compatible to the list of device-tree matches for
the SRAM driver. Since the variant is the same as the A64 (that precedes
the H5), the same variant description is used.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Just like the A64 and H5, the H3 SoC uses the system control block
to enable the EMAC clock.
Add a variant structure definition for the H3 and use it over the A10
one. This will allow using the H3-specific binding for the syscon node
attached to the EMAC instead of the generic syscon binding.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
soc/tegra: Changes for v4.21-rc1
These changes are mostly cleanups to the PMC driver, but they also add
support for wake events on Tegra186 and Tegra194, which can be used to
wake the system from sleep. With this and the corresponding device
tree additions suspend/resume is finally working on these SoCs.
* tag 'tegra-for-4.21-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Add initial Tegra194 wake events
soc/tegra: pmc: Add initial Tegra186 wake events
soc/tegra: pmc: Add wake event support
soc/tegra: pmc: Add Tegra194 support
soc/tegra: pmc: Change to use DEFINE_SHOW_ATTRIBUTE macro
soc/tegra: Don't leak device tree node reference
soc/tegra: fuse: Remove duplicated function declaration
soc/tegra: pmc: Drop locking from tegra_powergate_is_powered()
soc/tegra: pmc: Add sysfs entries for reset info
soc/tegra: pmc: Don't power-up XUSB power-domains
Signed-off-by: Olof Johansson <olof@lixom.net>
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Tegra194 supports 96 wake events in total. Many of them are never used,
so only the most common ones (RTC alarm and power key) are currently
defined.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Tegra186 support 96 wake events in total. Many of them are never used,
so only the most common ones (RTC alarm and power key) are currently
defined.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The power management controller has top-level controls that allow
certain interrupts (such as from the RTC or a subset of GPIOs) to
wake the system from sleep. Implement infrastructure to support
these wake events.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The PMC controller on Tegra194 has a couple of new I/O pads and drops
others compared to Tegra186.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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of_find_node_by_path() acquires a reference to the node returned by it
and that reference needs to be dropped by its caller. soc_is_tegra()
doesn't do that, so fix it.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
[treding: slightly rewrite to avoid inline comparison]
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This fixes splats like the one below if CONFIG_DEBUG_ATOMIC_SLEEP=y
and machine (Tegra30) booted with SMP=n or all secondary CPU's are put
offline. Locking isn't needed because it protects atomic operation.
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:254
in_atomic(): 1, irqs_disabled(): 128, pid: 0, name: swapper/0
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G C 4.18.0-next-20180821-00180-gc3ebb6544e44-dirty #823
Hardware name: NVIDIA Tegra SoC (Flattened Device Tree)
[<c01134f4>] (unwind_backtrace) from [<c010db2c>] (show_stack+0x20/0x24)
[<c010db2c>] (show_stack) from [<c0bd0f3c>] (dump_stack+0x94/0xa8)
[<c0bd0f3c>] (dump_stack) from [<c0151df8>] (___might_sleep+0x13c/0x174)
[<c0151df8>] (___might_sleep) from [<c0151ea0>] (__might_sleep+0x70/0xa8)
[<c0151ea0>] (__might_sleep) from [<c0bec2b8>] (mutex_lock+0x2c/0x70)
[<c0bec2b8>] (mutex_lock) from [<c0589844>] (tegra_powergate_is_powered+0x44/0xa8)
[<c0589844>] (tegra_powergate_is_powered) from [<c0581a60>] (tegra30_cpu_rail_off_ready+0x30/0x74)
[<c0581a60>] (tegra30_cpu_rail_off_ready) from [<c0122244>] (tegra30_idle_lp2+0xa0/0x108)
[<c0122244>] (tegra30_idle_lp2) from [<c0853438>] (cpuidle_enter_state+0x140/0x540)
[<c0853438>] (cpuidle_enter_state) from [<c08538a4>] (cpuidle_enter+0x40/0x4c)
[<c08538a4>] (cpuidle_enter) from [<c01595e0>] (call_cpuidle+0x30/0x48)
[<c01595e0>] (call_cpuidle) from [<c01599f8>] (do_idle+0x238/0x28c)
[<c01599f8>] (do_idle) from [<c0159d28>] (cpu_startup_entry+0x28/0x2c)
[<c0159d28>] (cpu_startup_entry) from [<c0be76c8>] (rest_init+0xd8/0xdc)
[<c0be76c8>] (rest_init) from [<c1200f50>] (start_kernel+0x41c/0x430)
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Implement read-only reset_reason and reset_level sysfs attributes that
can be used to query the reset reason and level at runtime.
Signed-off-by: Sandipan Patra <spatra@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Now that the Tegra xHCI driver manages the XUSB power-domains itself,
remove the code to power-up the power-domains used by the xHCI device
from the PMC driver on boot.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Renesas ARM Based SoC Drivers Updates for v4.21
SYSC Driver:
* Common
- Fix power domain control after system resume
- Merge PM Domain registration and linking
- Remove rcar_sysc_power_{down,up}() helpers
* R-Car E3 (r8a77990) SoC
- Fix initialization order of 3DG-{A,B}
* R-Car V3H (r8a77980) SoC
- Correct A3VIP[012] power domain hierarchy
- Correct names of A2DP[01] power domains
* R-Car V3M (r8a77970) SoC
- Correct names of A2DP/A2CN power domains
- emove non-existent CR7 power domain
* R-Car M3-N (r8a77965) SoC
- Remove non-existent A3IR power domain
* tag 'renesas-drivers-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: rcar-sysc: Fix power domain control after system resume
soc: renesas: rcar-sysc: Merge PM Domain registration and linking
soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
soc: renesas: r8a77980-sysc: Correct A3VIP[012] power domain hierarchy
soc: renesas: r8a77980-sysc: Correct names of A2DP[01] power domains
soc: renesas: r8a77970-sysc: Correct names of A2DP/A2CN power domains
soc: renesas: r8a77970-sysc: Remove non-existent CR7 power domain
soc: renesas: r8a77965-sysc: Remove non-existent A3IR power domain
Signed-off-by: Olof Johansson <olof@lixom.net>
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To control power to a power domain, the System Controller (SYSC) needs
the corresponding interrupt source to be enabled, but masked, to prevent
the CPU from receiving it.
Currently this is handled in the driver's probe() routine, and set up
for every domain present, even if it will not be controlled directly by
SYSC (CPU domains are powered through the APMU on R-Car Gen2 and later).
On R-Car Gen3, PSCI powers down the SoC during system suspend, thus
losing any configured interrupt state. Hence after system resume, power
domains not controlled through the APMU (e.g. A3IR, A3VC, A3VP) fail to
power up.
Fix this by replacing the global interrupt setup in the probe() routine
by a domain-specific interrupt setup in rcar_sysc_power(), where the
domain's power is actually controlled. This brings the code more in
line with the flowchart in the Hardware User's Manual.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Commit 977d5ba4507dfe5b ("soc: renesas: rcar-sysc: Make PM domain
initialization more robust") split PM Domain registration and the
linking of children to their parents, to accommodate PM Domain tables
that list child domains before their parents.
However, this failed to realize that parent power domains must be
powered up before their children anyway, and that this thus must be
reflected by the order in the PM Domain tables.
Revert the split, as it did not help anyway.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Until commit 7e8a50df26f4e700 ("soc: renesas: rcar-sysc: Drop legacy
handling"), the rcar_sysc_power_{down,up}() helpers were public, as they
were called by the legacy (pre-DT) CPU power management code on R-Car H1
and R-Car Gen2 before.
As they are just one-line wrappers around rcar_sysc_power(), it makes
sense to just remove them.
This also avoids a bool/helper/bool conversion in rcar_sysc_power_cpu(),
where a bool is checked to call one of two helper functions, which
just call rcar_sysc_power() with hardcoded boolean values again.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The workaround for the wrong hierarchy of the 3DG-{A,B} power
domains on R-Car E3 ES1.0 corrected the parent domains.
However, the 3DG-{A,B} power domains were still initialized and powered
in the wrong order, causing 3DG operation to fail.
Fix this by changing the order in the table at runtime, when running on
an affected SoC.
Fixes: 086b399965a7ee7e ("soc: renesas: r8a77990-sysc: Add workaround for 3DG-{A,B}")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
renamed the A3VIP power domain on R-Car V3H to A3VIP0, and clarified the
power domain hierarchy for the A3VIP[012] power domains.
As the definition for the A3VIP0 domain is not yet used from DT, it can
just be renamed.
Fixes: 7755b40d07a8dba7 ("dt-bindings: power: add R8A77980 SYSC power domain definitions")
Fixes: 41d6d8bd8ae94ca9 ("soc: renesas: rcar-sysc: add R8A77980 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
renamed the A2PD0 and A2DP0 power domains on R-Car V3H to A2DP0 resp.
A2DP1.
As these definitions are not yet used from DT, they can just be renamed.
Fixes: 7755b40d07a8dba7 ("dt-bindings: power: add R8A77980 SYSC power domain definitions")
Fixes: 41d6d8bd8ae94ca9 ("soc: renesas: rcar-sysc: add R8A77980 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
renamed the A2IR2 and A2IR3 power domains on R-Car V3M to A2DP resp.
A2CN.
As these definitions are not yet used from DT, they can just be renamed.
While at it, fix the indentation of the A3IR definition.
Fixes: 833bdb47c826a1a6 ("dt-bindings: power: add R8A77970 SYSC power domain definitions")
Fixes: bab9b2a74fe9da96 ("soc: renesas: rcar-sysc: add R8A77970 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
removed the CR7 power domain on R-Car V3M, as this SoC does not have an
ARM Cortex-R7 Realtime Core.
As this definition was never used from DT, it can just be removed.
Fixes: 833bdb47c826a1a6 ("dt-bindings: power: add R8A77970 SYSC power domain definitions")
Fixes: bab9b2a74fe9da96 ("soc: renesas: rcar-sysc: add R8A77970 support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The R-Car Gen3 HardWare Manual Errata for Rev. 0.80 (Feb 28, 2018)
removed the A3IR power domain on R-Car M3-N, as this SoC does not have
an Image Processing Unit (IMP-X5).
The definition in the DT bindings header cannot be removed yet, until
its (incorrect) user has been removed.
Fixes: a527709b78b3c997 ("soc: renesas: rcar-sysc: Add R-Car M3-N support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Qualcomm ARM Based Driver Updates for v4.21
* Fix llcc license, includes, and error checks
* Remove use of memcpy in cmd-db and fix API breakage
* Add QCS404 compatible to SMD-RPM
* Minor fixes for QMI
* Add irq clear handling in QCOM Geni SE during init
* tag 'qcom-drivers-for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
drm: msm: Check cmd_db_read_aux_data() for failure
soc: qcom: smd-rpm: Add QCS404 compatible
soc: qcom: llcc-slice: Remove duplicated include from llcc-slice.c
soc: qcom: cmd-db: Stop memcpy()ing in cmd_db_read_aux_data()
soc: qcom: cmd-db: Remove memcpy()ing from cmd_db_get_header()
soc: qcom: Drop help text for QCOM_QMI_HELPERS
soc: qcom: qmi_interface: Limit txn ids to U16_MAX
soc: qcom: llcc-slice: Add error checks for API functions
soc: qcom/llcc: add MODULE_LICENSE tag
soc: qcom: Add irq clear handling during SE init
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch adds a compatible for the rpm on the Qualcomm QCS404 platform.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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Let's change the function signature to return the pointer to memory or
an error pointer on failure, and take an argument that lets us return
the size of the aux data read. This way we can remove the
cmd_db_read_aux_data_len() API entirely and also get rid of the memcpy
operation from cmd_db to the caller. Updating the only user of this code
shows that making this change allows us to remove a function and put the
lookup where the user is.
Cc: Mahesh Sivasubramanian <msivasub@codeaurora.org>
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Evan Green <evgreen@chromium.org>
Cc: Jordan Crouse <jcrouse@codeaurora.org>
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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The cmd_db_get_header() function is a static local function that doesn't
need to copy anything from one place to another. Instead, it can just
point into the region by returning pointers to what we're looking for.
If we do that, we should mark what we're returning as const so that code
can't modify cmd-db without an obvious cast.
Cc: Mahesh Sivasubramanian <msivasub@codeaurora.org>
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Evan Green <evgreen@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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The help text is visible in menuconfig, however QCOM_QMI_HELPERS is a
hidden kconfig, so it is not selectable in menuconfig.
Remove the help text so that it is more clear that this is intentionally
a hidden kconfig.
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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Txn IDs created up to INT_MAX cause overflow while storing
the IDs in u16 type supported by QMI header.
Limit the txn IDs max value to U16_MAX to avoid overflow.
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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llcc_slice_getd can return a ERR_PTR code on failure. Add a IS_ERR_OR_NULL
check to subsequent API calls that use struct llcc_slice_desc to guard
against faults and to let the leaf drivers get away with safely using a
ERR_PTR() encoded "pointer" in the aftermath of a llcc_slice_getd error.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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The lack of a MODULE_LICENSE tag prevents building the llcc driver
as a loadable module:
FATAL: modpost: GPL-incompatible module llcc-slice.ko uses GPL-only symbol 'ktime_get'
This adds the appropriate license and description tags.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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when the kernel inits a SE, its quite possible we have pending interrupts
from bootloaders which did not handle/clear them. So do this in kernel at
the SE init, to avoid some of it causing bad behavior, while at it also
club all the register writes needed to clear the se irqs into a function
to avoid repeating it over.
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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into next/drivers
This pull request contains Broadcom ARM/ARM64/MIPS SoCs drivers changes
for 4.21, please pull the following changes:
- James fixes the firmware interface after a commit changed the use of
VLA and broke large transfers
- Stefan adds a timeout check for Raspberry Pi firmware transactions and
updates a bunch of SoC/firmware files to use SPDX tags
- Wolfram switches the GISB bus arbiter to use dev_get_drvdata()
- Yangtao provides a fix for a reference leak due to a call to
of_find_node_by_path()
- Florian fixes the CPU re-entry point out of S3 suspend with kernels
built in Thumb2 mode
* tag 'arm-soc/for-4.21/drivers' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: Don't leak device tree node reference
firmware: raspberrypi: Switch to SPDX identifier
firmware: raspberrypi: Fix firmware calls with large buffers
soc: bcm: Switch raspberrypi-power to SPDX identifier
firmware: raspberrypi: Define timeout for transactions
bus: brcmstb_gisb: simplify getting .driver_data
soc: bcm: brcmstb: Fix re-entry point with a THUMB2_KERNEL
Signed-off-by: Olof Johansson <olof@lixom.net>
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of_find_node_by_path() acquires a reference to the node returned by it
and that reference needs to be dropped by its caller. soc_is_brcmstb()
doesn't do that, so fix it.
[treding: slightly rewrite to avoid inline comparison]
Fixes: d52fad262041 ("soc: add stubs for brcmstb SoC's")
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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This pull request adds SPDX to BCM2835 drivers, and fixes some bugs in
the firmware driver (silently hanging if the VPU doesn't respond to a
mailbox transaction, and undersized buffers in the firmware property
transactions for tags that aren't used yet in the upstream).
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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